Replies sent to Sibert (Ian Locke) and OMS (Lou Wullms)

OMS confirmation is done; next is the calculation material from Lou
Wullms. Sibert itemised quotation still open.

docs/roadmap.md

@@ -53,7 +53,7 @@ These three run in parallel and gate everything downstream:
    conversation as item 5 (it builds the electroforming line too), plus
    OMS (Optical Media Services), named by Sibert as the alternative to a
    Pheenix turnkey line (first contact from Lou Wullms 7 October 2026;
-   reply to confirm, then OMS sends material to calculate from), and
+   Alexander has replied; OMS sends material to calculate from next), and
    Sibert's itemised quotation for the stamper
    prep machines (a USD 250k budget for all three is confirmed, its time,
    spares, shipping and travel extra); equipment data in